main {
	background-image: url(../images/hg_wohnung.jpg);
} 

#apDiv4 {
	border: 0px dotted #00f;
	margin-left: 300px;
	margin-top: 170px;
	width: 287px;
	height: 305px;
	float: left;
}

#apDiv10 {
	border: 0px dotted #f00;
	margin-left: 600px;
	margin-top: 170px;
	width: 287px;
	height: 305px;
}